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Compound Floods: Coastal¶

Hourly observational data

Max Wind Data (m/s)
Max Tides and Water Level (m)
True hourly wind speed, direction, precip (not max)

CMIP6 only using ssp 245

sfcwind: LARC_sfcWind_historical_daily.csv, LARC_sfcWind_ssp245_daily.csv
pr: LARC_pr_historical_daily.csv, LARC_pr_ssp126_daily.csv, LARC_pr_ssp245_daily.csv, LARC_pr_ssp370_daily.csv

Others?

pressure
Convert all to daily to match cmip6 --> daily max's from hourly and original cmip6

NOAA Tides & Currents: extremes in past hour

Virginia: https://tidesandcurrents.noaa.gov/map/index.html?region=Virginia#
Yorktown: https://tidesandcurrents.noaa.gov/inventory.html?id=8637689
Sewells Point: https://tidesandcurrents.noaa.gov/inventory.html?id=8638610
Gloucester before 2003: https://tidesandcurrents.noaa.gov/inventory.html?id=8637624
https://pypi.org/project/noaa-coops/
product: https://api.tidesandcurrents.noaa.gov/api/prod/#products
datum: https://api.tidesandcurrents.noaa.gov/api/prod/#datum:~:text=for%20the%20station-,Datum,-The%20datum%20can
Output columns: https://api.tidesandcurrents.noaa.gov/api/prod/responseHelp.html
https://maps.waterdata.usgs.gov/mapper/index.html
dates of active stations are from (first available day) to (at most day of download)

Meteostat: measurements at end of each hour

https://dev.meteostat.net/python/daily.html#data-structure
Variables and units: https://dev.meteostat.net/formats.html
Station data columns: https://dev.meteostat.net/python/stations.html#data-structure

2016 Floods

September 2-3, 2016 Tropical Storm Hermine https://www.weather.gov/mhx/hermine_090216
September 11 – 23, 2016: Tropical Storm Julia https://www.wpc.ncep.noaa.gov/tropical/rain/julia2016.html
October 8, 2016: Hurricane Matthew https://www.weather.gov/ilm/matthew

Process Data¶

Load Data¶

Exploratory Data Analysis¶

Correlation Matrix¶

Observed data across all stations¶

High correlation (near 1) between mean higher high water (mhhw) and mean sea level (msl)
Moderate to high correlation between wind speed and gust
Low correlation between (mhhw, msl) and (wind speed, gust)

CMIP6 data across all models¶

Low correlation between precipitation
Low correlation between surface wind
Low correlation with observed data (precip, wind speed)

More¶